Overview

overview

7

Static

static

7

1ac5c84636...18.exe

windows7-x64

7

1ac5c84636...18.exe

windows10-2004-x64

7

$PLUGINSDI...ig.dll

windows7-x64

3

$PLUGINSDI...ig.dll

windows10-2004-x64

3

$PLUGINSDI...dl.dll

windows7-x64

3

$PLUGINSDI...dl.dll

windows10-2004-x64

3

$PLUGINSDI...el.dll

windows7-x64

7

$PLUGINSDI...el.dll

windows10-2004-x64

7

$PLUGINSDIR/UAC.dll

windows7-x64

3

$PLUGINSDIR/UAC.dll

windows10-2004-x64

3

$PLUGINSDI...ss.dll

windows7-x64

3

$PLUGINSDI...ss.dll

windows10-2004-x64

3

EasyOn.dll

windows7-x64

6

EasyOn.dll

windows10-2004-x64

6

EasyOn.exe

windows7-x64

6

EasyOn.exe

windows10-2004-x64

6

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General

  • Target

    1ac5c8463691505745720e6a74063eed_JaffaCakes118

  • Size

    262KB

  • Sample

    240701-lf5h6axclm

  • MD5

    1ac5c8463691505745720e6a74063eed

  • SHA1

    e3edab2999515a8f3ca8927a9fcebacafee708a2

  • SHA256

    50e1541ca866f8c1606afece714a16c6cdf9e3bee99a88a3631ef7da260722e7

  • SHA512

    d974d8414b9c214080f638fad8699498e52a746f65ebfb3c33e16119c5b5347f3c77bc12fa716027c36cb53ae801fd10d078f264b97e900e0f8506cde0dcadf5

  • SSDEEP

    6144:Ge346ip75+ZPPfnE2Qyn20UATyniR1E2OGPCXiu75+ZPPfnE2Qyn20U:3ipF+ZPPfnEUnPTKiUhGaiuF+ZPPfnEG

Score
7/10
adwarediscoverypersistencestealerupx

Malware Config

Targets

    • Target

      1ac5c8463691505745720e6a74063eed_JaffaCakes118

    • Size

      262KB

    • MD5

      1ac5c8463691505745720e6a74063eed

    • SHA1

      e3edab2999515a8f3ca8927a9fcebacafee708a2

    • SHA256

      50e1541ca866f8c1606afece714a16c6cdf9e3bee99a88a3631ef7da260722e7

    • SHA512

      d974d8414b9c214080f638fad8699498e52a746f65ebfb3c33e16119c5b5347f3c77bc12fa716027c36cb53ae801fd10d078f264b97e900e0f8506cde0dcadf5

    • SSDEEP

      6144:Ge346ip75+ZPPfnE2Qyn20UATyniR1E2OGPCXiu75+ZPPfnE2Qyn20U:3ipF+ZPPfnEUnPTKiUhGaiuF+ZPPfnEG

    Score
    7/10
    adwarediscoverypersistencestealerupx

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/IpConfig.dll

    • Size

      114KB

    • MD5

      a3ed6f7ea493b9644125d494fbf9a1e6

    • SHA1

      ebeee67fb0b5b3302c69f47c5e7fca62e1a809d8

    • SHA256

      ec0f85f8a9d6b77081ba0103f967ef6705b547bf27bcd866d77ac909d21a1e08

    • SHA512

      7099e1bc78ba5727661aa49f75523126563a5ebccdff10cabf868ce5335821118384825f037fbf1408c416c0212aa702a5974bc54d1b63c9d0bcade140f9aae1

    • SSDEEP

      1536:CPDzpyvLtmY7SeAmhPzV8+i7kRuACUxHf91MionF9JTwrLPG5zfO+lP7:UZl1e7L4ARzC3dwrLPG5zG+lP7

    Score
    3/10
    behavioral3behavioral4

    • Target

      $PLUGINSDIR/NSISdl.dll

    • Size

      14KB

    • MD5

      a5f8399a743ab7f9c88c645c35b1ebb5

    • SHA1

      168f3c158913b0367bf79fa413357fbe97018191

    • SHA256

      dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

    • SHA512

      824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

    • SSDEEP

      192:tUZTobBDJ68r67wmsvJI5ad9cXzFOVu+mZ/P3p+57CvpVqDxVp01Dwn2GRPgsfA:6Bo/680dCI5adOjFOg9//p27uNw2Go

    Score
    3/10
    behavioral5behavioral6

    • Target

      $PLUGINSDIR/SelfDel.dll

    • Size

      4KB

    • MD5

      7cff7fe2caea5184d98c147e7e263132

    • SHA1

      21f39d3d0dd5f7198d67ef30e95d10ae3460093e

    • SHA256

      281c39b733579e031c62bdd247b41543ece1fe3bd6eda26fc8ad474b10f33101

    • SHA512

      fb1161b8571d1d0c67e2df0d571b08f5e7a73f81409aed847344154d02406910629181bcce4e18e998ec472f51a6a1b40d956a010abdd10e850413aafa87808a

    • SSDEEP

      48:CzHDh3jgWMynQfXKsJ3eAn67wN4VDm0pmoZSeJY8JTaCILFoyTFS7lWsaEaSueq:S18WMynkXKOOATEVUPnS7s9TShqTM

    Score
    7/10
    upx

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral7behavioral8

    • Target

      $PLUGINSDIR/UAC.dll

    • Size

      13KB

    • MD5

      29858669d7da388d1e62b4fd5337af12

    • SHA1

      756b94898429a9025a04ae227f060952f1149a5f

    • SHA256

      c24c005daa7f5578c4372b38d1be6be5e27ef3ba2cdb9b67fee15cac406eba62

    • SHA512

      6f4d538f2fe0681f357bab73f633943c539ddc1451efa1d1bb76d70bb47aa68a05849e36ae405cc4664598a8194227fa7053de6dbce7d6c52a20301293b3c85f

    • SSDEEP

      384:RlNMjIH4DnFnyJ0Dt5ZtmVWsSLr4z9VwzU:RlqMYzFnD/tmQFLrSw

    Score
    3/10
    behavioral10behavioral9

    • Target

      $PLUGINSDIR/nsProcess.dll

    • Size

      4KB

    • MD5

      05450face243b3a7472407b999b03a72

    • SHA1

      ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

    • SHA256

      95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

    • SHA512

      f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

    Score
    3/10
    behavioral11behavioral12

    • Target

      EasyOn.dll

    • Size

      126KB

    • MD5

      b8d58e3a0587f0015e5ef6e611444f30

    • SHA1

      181d12bc03b329f4ddd4f85f792b2f0a7b9d147a

    • SHA256

      41321b02a4922ab9911e340c190eead9e17d5f56590921953b0658958e1bfba8

    • SHA512

      b2e1c3f4ec7e1f468fd8e4d190a17268f2008dfc8e8a68e45b6a109cb98322c5363d49d5aaf8e76cf38c7fc1e813179f776dd90ad6ae55b6b46ddbafe1b56434

    • SSDEEP

      3072:txSwDINkVwQag7NVj1agWgIknPGcnifj56:t4JwzRZPGl

    Score
    6/10
    adwarestealer

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware
    behavioral13behavioral14

    • Target

      EasyOn.exe

    • Size

      38KB

    • MD5

      e95bc409a64ea9a611bf6df227eb7e3c

    • SHA1

      9388530cf6d248c1c73cee05a2d66c77a1cbcac4

    • SHA256

      9bf1cea5efcecb3dd7f28c3d6359037807b3379aeb82f154c27e1f84c3286f3a

    • SHA512

      a5220d93b3c94d158e33b8d01fa2dc18dbf029ebd70871351b3b1c0fa6225d42e419122ecc0d0a12abecd3d42a90ab87793f239c21c63afcf05d6b2e10bc550e

    • SSDEEP

      384:Evb1cDbSw+uaAMTyX8DfW18WPNc33fxYJLuPkCQuhD:ET1Y2w+lfTuGoHP23P8LuDZ

    Score
    6/10
    adwarepersistencestealer

    • Adds Run key to start application

      persistence

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware
    behavioral15behavioral16

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Browser Extensions

3
T1176

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Modify Registry

8
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks